#include "../ourhdr.h"

#define BUFFSIZE 8192

int main(void)
{
    int n;
    char buf[BUFFSIZE];
    while((n = read(STDIN_FILENO,buf, BUFFSIZE)) > 0)
    {
        if(write(STDOUT_FILENO,buf, n) !=n)
        {
            err_sys("write error");
        }
    }
    if(n < 0)
    {
        err_sys("read error");
    }
    exit(0);
}